Moderation: Update Response&Request

[chenhhA]

Describe the change
Moderation

• Add new response fields
• Support new request formats

Provide OpenAI documentation link

• https://openai.com/index/upgrading-the-moderation-api-with-our-new-multimodal-moderation-model/
• https://platform.openai.com/docs/api-reference/moderations

Describe your solution

• Add missed response filed
• Add ModerationArrayRequest,ModerationStrArrayRequest f

Tests
modified TestModerations support three differenct reqeuest

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.70%. Comparing base (774fc9d) to head (afd0628).
Report is 77 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #894      +/-   ##
==========================================
+ Coverage   98.46%   98.70%   +0.24%     
==========================================
  Files          24       26       +2     
  Lines        1364     1778     +414     
==========================================
+ Hits         1343     1755     +412     
- Misses         15       16       +1     
- Partials        6        7       +1     

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[ZeroYuJie]

hope this PR can be released as soon as possible.

[sashabaranov]

@chenhhA thank you for the PR! In the OpenAI API reference, items here might contain text or image values, while ModerationItemType contains text and image_url.

Could you please add an integration test as well, it is challenging to nail down all the details!

Doc link: https://platform.openai.com/docs/api-reference/moderations/create?lang=curl

[chenhhA]

Hi @sashabaranov, I've added missed testcase, could you help me check this?